Arch Coal is engaged in the production of thermal and metallurgical coal from surface and underground mines. Co. operates mining complexes in West Virginia, Kentucky, Maryland, Virginia, Illinois, Wyoming and Colorado. Co.'s business segments are based on the coal producing basins in which it operates and may include several mine complexes. Co.'s segments comprised of: the Powder River Basin segment, with operations in Wyoming; the Appalachia segment, with operations in West Virginia, Kentucky, Maryland and Virginia; and all other, which includes Co.'s coal mining operations in Colorado and Illinois and its ADDCAR subsidiary, which manufactures and sells its patented highwall mining system.

ACI (ACI) has the following price history information. Looking back at ACI historical stock prices for the last five trading days, on January 05, 2016, ACI opened at $0.90, traded as high as $0.95 and as low as $0.90, and closed at $0.94. Trading volume was a total of 830.70K shares. On January 06, 2016, ACI opened at $0.93, traded as high as $0.94 and as low as $0.86, and closed at $0.91. Trading volume was a total of 997.90K shares. On January 07, 2016, ACI opened at $0.86, traded as high as $0.90 and as low as $0.78, and closed at $0.79. Trading volume was a total of 1.24M shares. On January 08, 2016, ACI opened at $0.82, traded as high as $0.89 and as low as $0.80, and closed at $0.83. Trading volume was a total of 1.10M shares. On January 11, 2016, ACI opened at $0.75, traded as high as $0.75 and as low as $0.57, and closed at $0.57. Trading volume was a total of 2.30K shares.

ACI Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into ACI shares, starting with a $10,000 purchase of ACI, and working forward through the historical stock price information to today.

Growth of $10,000.00
With Dividends Reinvested

Start date:

05/26/2009

End date:

01/11/2016

Start price/share:

$174.10

End price/share:

$0.57

Starting shares:

57.44

Ending shares:

63.48

Dividends reinvested/share:

$14.20

Total return:

-99.64%

Average Annual Total Return:

-57.15%

Starting investment:

$10,000.00

Ending investment:

$36.21

Years:

6.63

Growth of $10,000.00
Without Dividends Reinvested

Start date:

05/26/2009

End date:

01/11/2016

Start price/share:

$174.10

End price/share:

$0.57

Dividends collected/share:

$14.20

Total return:

-91.52%

Average Annual Total Return:

-31.06%

Starting investment:

$10,000.00

Ending investment:

$848.40

Years:

6.63

ACI Historical Closing Prices

Date

Close

01/05/2016

$0.94

01/06/2016

$0.91

01/07/2016

$0.79

01/08/2016

$0.83

01/11/2016

$0.57

Materials Historical Prices

ACI is categorized under the Materials sector; below are some other companies in the same sector:

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